CN110863951A - Rotating speed control system of small wind driven generator - Google Patents
Rotating speed control system of small wind driven generator Download PDFInfo
- Publication number
- CN110863951A CN110863951A CN201911326689.6A CN201911326689A CN110863951A CN 110863951 A CN110863951 A CN 110863951A CN 201911326689 A CN201911326689 A CN 201911326689A CN 110863951 A CN110863951 A CN 110863951A
- Authority
- CN
- China
- Prior art keywords
- wheel
- belt wheel
- input
- belt
- input shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 244000309464 bull Species 0.000 claims 3
- 230000005662 electromechanics Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 230000005284 excitation Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
- F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/26—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members with members having orbital motion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a rotating speed control system of a small wind driven generator, and belongs to the technical field of electromechanics. The control system comprises a base, a generator input shaft and a wind wheel input shaft, wherein two sides of the input belt wheel are respectively and rotatably connected with a compensation wheel, a plurality of reducing assemblies are uniformly arranged on the input belt wheel in the circumferential direction, each reducing assembly comprises two rotating rods, a supporting rod and two swing arms, two ends of each rotating rod are respectively and fixedly provided with a planetary gear, the compensation wheel is fixedly provided with a sun wheel which is simultaneously meshed with each planetary gear on the same side, the side surface of the input belt wheel is provided with a plurality of guide surfaces vertical to the wheel surface of the compensation wheel, the compensation wheel is provided with pressing wheels in one-to-one correspondence with the guide surfaces, the generator input shaft is fixedly provided with an output belt wheel, the input belt wheel is connected with the output belt wheel through a belt; the belt is tensioned by a tensioning structure. The invention has the advantages of being capable of alleviating the rotating speed fluctuation of the input shaft of the generator and the like.
Description
Technical Field
The invention belongs to the technical field of electromechanics, and relates to a rotating speed control system of a small wind driven generator.
Background
In the prior art, in order to ensure that the input rotating speed of the wind driven generator is maintained within a set interval, the rotating speed is generally controlled by adjusting the inclination angle of a wind wheel blade, and for a small generator, the wind wheel blade is preferably fixed, and if an inclination angle variable structure is adopted, the structure is complex, and the maintenance and repair cost is greatly increased.
Disclosure of Invention
The invention aims to provide a rotating speed control system of a small wind driven generator aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to maintain the rotating speed of the input shaft of the generator within a certain range when the wind speed changes, so as to avoid frequent change of the rotating speed.
The purpose of the invention can be realized by the following technical scheme: a rotating speed control system of a small wind driven generator is characterized by comprising a base, a generator input shaft rotationally connected to the base and a wind wheel input shaft rotationally connected to the base, wherein an input belt wheel is fixedly arranged on the wind wheel input shaft, two sides of the input belt wheel are respectively rotationally connected with a compensating wheel, a plurality of reducing components are uniformly arranged on the input belt wheel in the circumferential direction and comprise two coaxial rotating rods, a supporting rod and two swing arms, the rotating rods are rotationally connected to the input belt wheel, two ends of each rotating rod are respectively and fixedly provided with a planetary gear, a sun gear which is simultaneously meshed with each planetary gear on the same side is fixedly arranged on the compensating wheel, a plurality of guide surfaces vertical to wheel surfaces of the compensating wheel are arranged on the side surface of the input belt wheel, and pressing wheels which are in one-to-one correspondence with the guide surfaces are arranged on the compensating wheel, the compression wheel is rotatably connected to the outer end of an inserted rod, the compensation wheel is provided with guide holes corresponding to the inserted rods one to one, the inserted rods are slidably connected in the corresponding guide holes, and the compensation wheel is connected with the corresponding guide surfaces through torsion springs for driving the compression wheel to be tightly pressed; an output belt wheel is fixedly arranged on the input shaft of the generator, the input belt wheel is connected with the output belt wheel through a belt, and the belt is in contact with the support rod; the belt is tensioned through a tensioning structure; and a tension spring in a stretching state is connected between the bottom of the inserted bar and the bottom of the guide hole.
The wind wheel is connected with the wind wheel input shaft through the speed changer, the wind wheel input shaft can also be a rotating shaft directly connected with the wind wheel, and the rotation of the generator input shaft can provide the torque generated by the generator.
The wind wheel is rotatory to be influenced by the size of the wind-force of interception, and the rotational speed has certain unstability, and to avoid the impact force that the rotational speed change brought to influence generator input shaft, the voltage fluctuation that makes generating set produce is too frequent, sets up buffer gear between input band pulley and compensating wheel, and this buffer gear's buffering principle is as follows:
when the rotating speed of the wind wheel input shaft is suddenly increased, the input belt wheel acts on the pressing wheel, the compensating wheel rotates a certain inclination angle relative to the input belt wheel in the direction opposite to the rotating direction of the input belt wheel under the action of inertia force, the sun wheel rotates in the reverse direction, the planet wheel rotates in the forward direction, the support rod swings in the direction far away from the axis of the input belt wheel, the winding radius of the belt on the input belt wheel is increased, under the condition that the radius of the output belt wheel is not changed, the increase of the radius of the input belt wheel can increase the linear speed transmission ratio between the input belt wheel and the output belt wheel, so that the fluctuation of the rotating speed of the output belt wheel is small or the change is delayed, the wheel diameter of the input belt wheel is increased, the torque required by driving and rotating is also increased, thereby increasing the resistance caused by the rotation of the wind wheel, driving the rotation speed of the wind wheel to be reduced to a certain degree, when the rotation speeds of the compensating wheel and the input belt wheel are consistent again, the wheel diameter of the input belt wheel is kept unchanged.
When the rotating speed of the wind wheel input shaft is suddenly reduced, the input belt wheel is separated from the pressing of the pressing wheel, the compensating wheel rotates a certain inclination angle relative to the input belt wheel to the rotating direction of the input belt wheel under the action of inertia force, the sun wheel rotates in the positive direction, the planet wheel rotates in the reverse direction, the supporting rod swings to the direction close to the axis of the input belt wheel, the winding radius of the belt on the input belt wheel is reduced, under the condition that the radius of the output belt wheel is not changed, the reduction of the radius of the input belt wheel can reduce the linear velocity transmission ratio between the input belt wheel and the output belt wheel, so that the fluctuation of the rotating speed of the output belt wheel is smaller or the change is delayed, the wheel diameter of the input belt wheel is reduced, the torque required by driving and rotating is also reduced, thereby reducing the resistance caused by the rotation of the wind wheel, driving the rotation speed of the wind wheel to be accelerated to a certain degree, when the rotation speeds of the compensating wheel and the input belt wheel are consistent again, the wheel diameter of the input belt wheel is kept unchanged.
It can be seen that the control of the wheel diameter of the input belt wheel can play a leveling effect on the rotating speed of the wind wheel to a certain extent, so that the rotating speed of the output belt wheel is kept relatively stable within a certain wind power variation range, and the relatively stable input rotating speed is provided for power generation.
The change of the wheel diameter of the input belt wheel is realized by the change of the rotating speed of the wind wheel input shaft, the compensation is sensitive and effective, the belt tension and the pressure spring are mutually adapted and balanced, and the wheel diameter of the input belt wheel can be slowly recovered after the change.
In the above rotation speed control system of a small wind power generator, the input belt wheel is provided with a plurality of arc-shaped guide grooves corresponding to the end portions of the support rods one to one, and the end portions of the support rods are slidably connected in the arc-shaped guide grooves.
The arc-shaped guide groove is matched with the swing arm to realize accurate guiding of the supporting rod, and also provides supporting force for the belt sleeved on the arc-shaped guide groove.
In foretell small-size aerogenerator's rotational speed control system, the fixed sleeve that is provided with on the frame, be provided with a plurality of stator core in the sleeve, around having excitation coil on the stator core, the fixed a plurality of permanent-magnet strip that are provided with on the wind wheel input shaft, each permanent-magnet strip is located the rotary drum, be provided with a plurality of locating holes on the delivery pulley, sliding connection has a ejector pin in the locating hole, belt and ejector pin contact, the fixed permanent-magnet block that is provided with in ejector pin the inner, the fixed armature block that is provided with in locating hole bottom, around being equipped with the circular telegram coil on the armature block, excitation coil is connected through the brush that sets up between frame and delivery pulley after each circular telegram coil connects in parallel, the armature block can and form between the ejector pin repulsion force.
The structure also utilizes the principle of a generator, only the number of turns of an excitation coil is small, and the excitation coil is used for generating control current corresponding to the rotating speed of the output belt wheel, the current acts on an armature block to generate magnetic force with the same magnetic pole as a right permanent magnet block, the magnetic force is used for driving an ejector rod to extend out of the peripheral surface of the output belt wheel, the winding radius of a belt on the output belt wheel can be changed, and the magnetic force is also used as a tensioning structure of the belt.
When the rotating speed of the input shaft of the wind wheel changes, the current generated by the excitation coil also changes, the repulsive force of the armature block acting on the permanent magnet blocks also changes, the extension length of the ejector rod also changes, and when the winding radius of the belt on the output belt wheel is increased, the radius of the belt on the input belt wheel is reduced, so that the transmission ratio is changed, the diameters of the two wheels simultaneously change, the range of the transmission ratio can be increased, the rotating speed of the input shaft of the engine is controlled to fluctuate within a certain range in such a way, the fluctuation range is smaller, the engine and an energy storage device connected with the generator can be better protected, and the power generation stability and the like are improved.
In the above rotation speed control system of the small wind driven generator, a traction spring for preventing the ejector rod from separating from the positioning hole is connected between the ejector rod and the positioning hole.
The traction spring is used for preventing the ejector rod from being separated from the output belt wheel.
The support rod is provided with an antiskid bulge, the support rod cannot rotate around the swing arm relatively, the outer end of the ejector rod is a curved surface, and an antiskid layer is arranged on the contact surface of the ejector rod and the belt.
Drawings
FIG. 1 is a cross-sectional view of the present speed control system taken perpendicular to the belt.
Fig. 2 is a sectional view in the sun gear wheel face direction.
Fig. 3 is a sectional view in the direction of the wheel face of the compensating wheel.
FIG. 4 is a perspective view of the diameter-variable assembly.
Fig. 5 is a sectional view taken along the cross-sectional direction of the sleeve.
In the figure, 1, a machine base; 21. a generator input shaft; 22. a wind wheel input shaft; 23. an input pulley; 24. a compensating wheel; 25. a rotating rod; 26. a support bar; 27. swinging arms; 28. a planetary gear; 29. a sun gear; 31. a guide surface; 32. a pinch roller; 33. a guide hole; 34. an output pulley; 35. a belt; 36. a tension spring; 37. an arc-shaped guide groove; 38. inserting a rod; 41. a sleeve; 42. a stator core; 43. a permanent magnet strip; 44. positioning holes; 45. a top rod; 46. permanent magnet blocks; 47. an armature block; 48. a traction spring.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the control system includes a base 1, a generator input shaft 21 rotatably connected to the base 1, and a wind wheel input shaft 22 rotatably connected to the base 1, an input pulley 23 is fixedly disposed on the wind wheel input shaft 22, a compensation wheel 24 is rotatably connected to each side of the input pulley 23, a plurality of diameter-variable components are uniformly disposed on the input pulley 23 in the circumferential direction, each diameter-variable component includes two coaxial rotating rods 25, a supporting rod 26 and two swing arms 27, the rotating rods 25 are rotatably connected to the input pulley 23, a planetary gear 28 is fixedly disposed at each end of the rotating rods 25, a sun gear 29 simultaneously engaged with each planetary gear 28 on the same side is fixedly disposed on the compensation wheel 24, a plurality of guide surfaces 31 perpendicular to the wheel surfaces of the compensation wheel 24 are disposed on the side surface of the input pulley 23, a pressing wheel 32 corresponding to the guide surfaces 31 one by one is disposed on, the pinch roller 32 is rotatably connected to the outer end of an inserted rod 38, the compensating roller 24 is provided with guide holes 33 corresponding to the inserted rods 38 one by one, the inserted rods 38 are slidably connected in the corresponding guide holes 33, and the compensating roller 24 is connected by a torsion spring which drives the pinch roller 32 to be tightly pressed on the corresponding guide surface 31; an output belt wheel 34 is fixedly arranged on the generator input shaft 21, the input belt wheel 23 is connected with the output belt wheel 34 through a belt 35, and the belt 35 is in contact with the support rod 26; the belt 35 is tensioned by a tensioning structure to the belt 35; a tension spring 36 is connected between the bottom of the insertion rod 38 and the bottom of the guide hole 33 in a stretched state.
The wind wheel is connected with a wind wheel input shaft 22 through a speed changer, the wind wheel input shaft 22 can also be a rotating shaft directly connected with the wind wheel, and the rotation of the generator input shaft 21 can provide the torque generated by the generator.
The wind wheel rotation is influenced by the size of the intercepted wind power, the rotating speed has certain instability, in order to avoid impact force brought by rotating speed change from influencing the input shaft 21 of the generator, the voltage fluctuation generated by the generator set is too frequent, a buffer mechanism is arranged between the input belt wheel 23 and the compensating wheel 24, and the buffer principle of the buffer mechanism is as follows:
when the rotating speed of the wind wheel input shaft 22 is suddenly increased, the input belt wheel 23 acts on the pressing wheel 32, under the action of inertia force, the compensating wheel 24 rotates relative to the input belt wheel 23 by a certain inclination angle in the direction opposite to the rotating direction of the input belt wheel 23, the sun wheel 29 rotates in the reverse direction, the planet wheel rotates in the forward direction, the support rod 26 swings in the direction away from the axis of the input belt wheel 23, the winding radius of the belt 35 on the input belt wheel 23 is increased, under the condition that the radius of the output belt wheel 34 is not changed, the radius of the input belt wheel 23 is increased, the linear speed transmission ratio between the input belt wheel 23 and the output belt wheel 34 can be increased, the rotating speed fluctuation of the output belt wheel 34 is smaller or changes in a delayed manner, the wheel diameter of the input belt wheel 23 is increased, the torque required by driving rotation is also increased, so that the resistance caused by the rotation of the wind wheel is increased to, the diameter of the input pulley 23 remains unchanged.
When the rotating speed of the wind wheel input shaft 22 is suddenly reduced, the input belt wheel 23 is separated from the compression of the compression wheel 32, under the action of inertia force, the compensation wheel 24 rotates relative to the input belt wheel 23 to a certain inclination angle in the rotating direction of the input belt wheel 23, the sun wheel 29 rotates forward, the planet wheel rotates reversely, the support rod 26 swings towards the direction close to the axis of the input belt wheel 23, the winding radius of the belt 35 on the input belt wheel 23 is reduced, under the condition that the radius of the output belt wheel 34 is not changed, the radius of the input belt wheel 23 is reduced, the linear speed transmission ratio between the input belt wheel 23 and the output belt wheel 34 can be reduced, the rotating speed fluctuation of the output belt wheel 34 is smaller or changes in a delayed manner, the wheel diameter of the input belt wheel 23 is reduced, the torque required by driving rotation is also reduced, so that the resistance caused by the rotation of the wind wheel is reduced, the rotating speed of the wind wheel, the diameter of the input pulley 23 remains unchanged.
It can be seen that the wheel diameter of the input belt wheel 23 is controlled, so that the leveling effect on the rotating speed of the wind wheel can be achieved to a certain extent, and the rotating speed of the output belt wheel 34 is kept relatively stable in a certain wind power variation range, so that the relatively stable input rotating speed is provided for power generation.
The change of the wheel diameter of the input belt wheel 23 is realized by the change of the rotating speed of the wind wheel input shaft 22, the compensation is sensitive and effective, the tension force of the belt 35 and the compression spring are mutually adaptive and balanced, and the wheel diameter of the input belt wheel 23 can be slowly recovered after being changed.
The input belt wheel 23 is provided with a plurality of arc-shaped guide grooves 37 which are in one-to-one correspondence with the end parts of the support rods 26, and the end parts of the support rods 26 are slidably connected in the arc-shaped guide grooves 37. The arc-shaped guide groove 37 is matched with the swing arm 27 to realize accurate guiding of the support rod 26 and also provides supporting force for the belt 35 sleeved on the arc-shaped guide groove.
As shown in fig. 1 and 5, a sleeve 41 is fixedly disposed on the base 1, a plurality of stator cores 42 are disposed in the sleeve 41, a magnet exciting coil is wound on each stator core 42, a plurality of permanent magnet strips 43 are fixedly disposed on the wind wheel input shaft 22, each permanent magnet strip 43 is located in the rotary drum, a plurality of positioning holes 44 are disposed on the output belt wheel 34, a top rod 45 is slidably connected in the positioning hole 44, the belt 35 is in contact with the top rod 45, a permanent magnet block 46 is fixedly disposed at the inner end of the top rod 45, an armature block 47 is fixedly disposed at the bottom of the positioning hole 44, an energizing coil is wound on the armature block 47, the energizing coils are connected in parallel and then connected with the magnet exciting coil through a brush disposed between the base 1 and the output belt wheel 34, and.
The wheel diameter of the input belt wheel 23 is adjusted to only control the stability of the rotating speed of the output belt wheel 34 within a certain range, and the effect of maintaining the relatively stable rotating speed of the output belt wheel 34 cannot be achieved when the wind wheel is subjected to a large wind fluctuation range, in order to enlarge the rotating speed control range of the output belt wheel 34, a magnetic generating structure is arranged between the engine base 1 and the wind wheel input shaft 22, the structure also utilizes the principle of a generator, only the number of turns of an exciting coil is small, the magnetic generating structure is used for generating control current corresponding to the rotating speed of the output belt wheel 34, the current acts on the armature block 47 to generate magnetic force with the same magnetic pole as that of the opposite permanent magnet block 46, the magnetic force is used for driving the ejector rod 45 to extend out of the peripheral surface of the output belt wheel 34, the winding radius of the belt 35 on the output belt wheel 34.
When the rotating speed of the wind wheel input shaft 22 changes, the current generated by the excitation coil also changes, the repulsive force of the armature block 47 acting on the permanent magnet block 46 also changes, the extension length of the ejector rod 45 also changes, and when the winding radius of the belt 35 on the output belt wheel 34 is increased, the radius of the belt 35 on the input belt wheel 23 is reduced, so that the transmission ratio is changed, the diameters of the two wheels change simultaneously, the range of the transmission ratio can be increased, the rotating speed of the engine input shaft is controlled to fluctuate within a certain range by the mode, the fluctuation range is smaller, the engine and an energy storage device connected with the generator can be better protected, and the power generation stability and the like are improved.
A traction spring 48 for preventing the push rod 45 from separating from the positioning hole 44 is connected between the push rod 45 and the positioning hole 44. The traction spring 48 serves to prevent the jack 45 from disengaging the output pulley 34.
The support rod 26 is provided with an antiskid bulge, the support rod 26 can not rotate relatively around the swing arm 27, the outer end of the ejector rod 45 is a curved surface, and the contact surface of the ejector rod and the belt 35 is provided with an antiskid layer.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides a rotational speed control system of small-size aerogenerator, its characterized in that, this control system includes frame (1), rotates generator input shaft (21) and the wind wheel input shaft (22) of rotating the connection on frame (1) of connection on frame (1), fixed input belt wheel (23) that is provided with on wind wheel input shaft (22), the both sides of input belt wheel (23) are rotated respectively and are connected with a compensating wheel (24), evenly be provided with a plurality of reducing subassemblies in circumference on input belt wheel (23), the reducing subassembly includes two coaxial bull sticks (25), a spinal branch vaulting pole (26) and two swing arms (27), bull stick (25) rotate and are connected on input belt wheel (23), the both ends of bull stick (25) are fixed respectively and are provided with a planetary gear (28), fixed sun gear (29) that are engaged with each planetary gear (28) of homonymy simultaneously that are provided with on compensating wheel (24), the side surface of the input belt wheel (23) is provided with a plurality of guide surfaces (31) vertical to the wheel surface of the compensation wheel (24), the compensation wheel (24) is provided with pressing wheels (32) corresponding to the guide surfaces (31) one by one, the pressing wheels (32) are rotatably connected to the outer end of an inserted rod (38), the compensation wheel (24) is provided with guide holes (33) corresponding to the inserted rods (38) one by one, the inserted rods (38) are slidably connected in the corresponding guide holes (33), and the compensation wheel (24) is connected with a torsion spring driving the pressing wheels (32) to be tightly pressed on the corresponding guide surfaces (31); an output belt wheel (34) is fixedly arranged on the generator input shaft (21), the input belt wheel (23) is connected with the output belt wheel (34) through a belt (35), and the belt (35) is in contact with the support rod (26); the belt (35) is tensioned by a tensioning structure; a tension spring (36) in a stretching state is connected between the bottom of the inserted link (38) and the bottom of the guide hole (33).
2. The rotating speed control system of the small wind driven generator according to claim 1, wherein the input pulley (23) is provided with a plurality of arc-shaped guide grooves (37) corresponding to the end portions of the support rods (26), and the end portions of the support rods (26) are slidably connected in the arc-shaped guide grooves (37).
3. The system for controlling the rotation speed of a small wind power generator according to claim 1 or 2, wherein a sleeve (41) is fixedly disposed on the base (1), a plurality of stator cores (42) are disposed in the sleeve (41), field coils are wound on the stator cores (42), a plurality of permanent magnet strips (43) are fixedly disposed on the wind wheel input shaft (22), each permanent magnet strip (43) is located in the drum, a plurality of positioning holes (44) are disposed on the output pulley (34), a top bar (45) is slidably connected in the positioning holes (44), the belt (35) is in contact with the top bar (45), a permanent magnet block (46) is fixedly disposed at the inner end of the top bar (45), an armature block (47) is fixedly disposed at the bottom of the positioning holes (44), coils are wound on the armature block (47), and the field coils are connected in parallel and then connected with a field line through a brush disposed between the base (1) and the output pulley (34) And the armature block (47) can form a repulsive force with the ejector rod (45).
4. The rotational speed control system of a small wind power generator according to claim 3, wherein a traction spring (48) for preventing the ejector pin (45) from being separated from the positioning hole (44) is connected between the ejector pin (45) and the positioning hole (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326689.6A CN110863951B (en) | 2019-12-20 | 2019-12-20 | Rotating speed control system of small wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326689.6A CN110863951B (en) | 2019-12-20 | 2019-12-20 | Rotating speed control system of small wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110863951A true CN110863951A (en) | 2020-03-06 |
| CN110863951B CN110863951B (en) | 2023-12-22 |
Family
ID=69659738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911326689.6A Active CN110863951B (en) | 2019-12-20 | 2019-12-20 | Rotating speed control system of small wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110863951B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748897A (en) * | 2020-06-30 | 2020-10-09 | 滕小英 | Rapier weaving machine who possesses automatic regulating function |
| CN112283046A (en) * | 2020-11-27 | 2021-01-29 | 林新福 | Energy-saving and environment-friendly transmission loss reduction structure of wind driven generator |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408954A (en) * | 1981-07-27 | 1983-10-11 | Earle John L | Windmill yaw and speed controls |
| US20020183149A1 (en) * | 2000-05-19 | 2002-12-05 | Yasuyuki Temma | Stepless speed change unit |
| CN101029628A (en) * | 2007-04-05 | 2007-09-05 | 王刚 | Double-sided impleller wind-force generator of orthogonal horizontal speed-differential cocurrent rotation |
| CN101030753A (en) * | 2007-03-13 | 2007-09-05 | 西安理工大学 | Pneumatic generating speed-changing frequency-constant method and apparatus based on digital-controlled flywheel hybrid driven |
| US20100081534A1 (en) * | 2006-11-13 | 2010-04-01 | Bearing Drive Finland Oy | Frictional planetary gear with variator action |
| JP2011174457A (en) * | 2010-02-24 | 2011-09-08 | Masaaki Mihara | Wind power generation apparatus |
| CN102352818A (en) * | 2011-11-11 | 2012-02-15 | 南通纺织职业技术学院 | Intelligent reducing self-starting vertical axis wind power generation device |
| WO2012028042A1 (en) * | 2010-09-02 | 2012-03-08 | 哈尔滨大功率立式风电装备工程技术研究中心 | Vertical wind collection generator system |
| CN102654106A (en) * | 2012-05-14 | 2012-09-05 | 沈阳华创风能有限公司 | Variable-ratio speed regulation device |
| KR101565466B1 (en) * | 2014-08-06 | 2015-11-04 | 주식회사 웨스텍 | High-efficiency vertical axis wind power apparatus operating for low speed wind conditions |
| CN106763590A (en) * | 2017-03-01 | 2017-05-31 | 余汉明 | A kind of differential concatenation stepless speed adjusting gear |
| CN108644344A (en) * | 2018-05-24 | 2018-10-12 | 湖北科技学院 | A kind of limited-slip differential |
| CN211038918U (en) * | 2019-12-20 | 2020-07-17 | 湖北科技学院 | Rotating speed control system of small wind driven generator |
-
2019
- 2019-12-20 CN CN201911326689.6A patent/CN110863951B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408954A (en) * | 1981-07-27 | 1983-10-11 | Earle John L | Windmill yaw and speed controls |
| US20020183149A1 (en) * | 2000-05-19 | 2002-12-05 | Yasuyuki Temma | Stepless speed change unit |
| US20100081534A1 (en) * | 2006-11-13 | 2010-04-01 | Bearing Drive Finland Oy | Frictional planetary gear with variator action |
| CN101030753A (en) * | 2007-03-13 | 2007-09-05 | 西安理工大学 | Pneumatic generating speed-changing frequency-constant method and apparatus based on digital-controlled flywheel hybrid driven |
| CN101029628A (en) * | 2007-04-05 | 2007-09-05 | 王刚 | Double-sided impleller wind-force generator of orthogonal horizontal speed-differential cocurrent rotation |
| JP2011174457A (en) * | 2010-02-24 | 2011-09-08 | Masaaki Mihara | Wind power generation apparatus |
| WO2012028042A1 (en) * | 2010-09-02 | 2012-03-08 | 哈尔滨大功率立式风电装备工程技术研究中心 | Vertical wind collection generator system |
| CN102352818A (en) * | 2011-11-11 | 2012-02-15 | 南通纺织职业技术学院 | Intelligent reducing self-starting vertical axis wind power generation device |
| CN102654106A (en) * | 2012-05-14 | 2012-09-05 | 沈阳华创风能有限公司 | Variable-ratio speed regulation device |
| KR101565466B1 (en) * | 2014-08-06 | 2015-11-04 | 주식회사 웨스텍 | High-efficiency vertical axis wind power apparatus operating for low speed wind conditions |
| CN106763590A (en) * | 2017-03-01 | 2017-05-31 | 余汉明 | A kind of differential concatenation stepless speed adjusting gear |
| CN108644344A (en) * | 2018-05-24 | 2018-10-12 | 湖北科技学院 | A kind of limited-slip differential |
| CN211038918U (en) * | 2019-12-20 | 2020-07-17 | 湖北科技学院 | Rotating speed control system of small wind driven generator |
Non-Patent Citations (3)
| Title |
|---|
| 李东;岑海堂;: "一种应用于全液压型风力发电机组的液力变速器", 液压气动与密封, no. 02 * |
| 王振选;: "无级变速系统的结构、原理与检修(4)", 摩托车技术, no. 08 * |
| 王晓芬;: "直流电机调速系统的设计", 现代工业经济和信息化, no. 06 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748897A (en) * | 2020-06-30 | 2020-10-09 | 滕小英 | Rapier weaving machine who possesses automatic regulating function |
| CN112283046A (en) * | 2020-11-27 | 2021-01-29 | 林新福 | Energy-saving and environment-friendly transmission loss reduction structure of wind driven generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110863951B (en) | 2023-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211038918U (en) | Rotating speed control system of small wind driven generator | |
| CN110863951A (en) | Rotating speed control system of small wind driven generator | |
| GB2457342A (en) | Apparatus for converting kinetic energy into usable power | |
| JP2005520471A (en) | Brushless permanent magnet motor or alternator with variable axial rotor / stator alignment to increase speed tolerance | |
| CN114436048B (en) | Wire coiling mechanism is used in power equipment installation | |
| EP3297913A1 (en) | Motorised device with reciprocating motion of a locomotion member and associated control method | |
| CN211338333U (en) | Multi-pole vibration-damping servo tensioner | |
| CN211038926U (en) | Rotating speed adjusting mechanism of small wind driven generator | |
| CN110848093A (en) | Rotating speed adjusting mechanism of small wind driven generator | |
| CN210205715U (en) | Power and damping constant force machine | |
| US7382074B2 (en) | Alternate current power generator | |
| JP7319087B2 (en) | Rotating electric machine and in-wheel motor using this rotating electric machine | |
| CN204509748U (en) | Elasticity expander scutcher | |
| CN111472936A (en) | New energy equipment that protecting effect is good | |
| CN217074894U (en) | PVC tubular product winding membrane self-adaptation winding mechanism | |
| CN109752969B (en) | Multi-pose vertical five-axis simulated motion simulation turntable and method thereof | |
| CN205838197U (en) | A kind of simple up-coiler | |
| CN2131836Y (en) | Winding unit capable of maintaining constant tension | |
| CN110494651A (en) | Electricity generation system | |
| CN100530902C (en) | Middle electric motor for electric automobile | |
| CN107655464A (en) | Gyroscope and its control method | |
| CN206845401U (en) | A kind of wind-driven generator blade and wind-driven generator | |
| CN209855525U (en) | Automobile tail gate electric stay bar with non-contact hysteresis damper | |
| CN202130933U (en) | Zero-friction transmission device for cloth roller of cloth rolling machine | |
| RU2809264C1 (en) | Wind wheel of wind power generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |